﻿package main

import "fmt"

func main() {
    var (
        b1 byte
        b2 byte
        b3 byte
    )
    b1 = 'a'
    b2 = 'A'
    b3 = 98  // 直接用ascii码也可以定义
    fmt.Println(b1, string(b1))
    fmt.Println(b2, string(b2))
    fmt.Println(b3, string(b3))
    var b4 int = 99
    fmt.Println(b4, string(b4))
}